NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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How many doses of the HPV-9 vaccine are administered if started before age 15?

  1. 3 doses

  2. 2 doses

  3. 1 dose

  4. 4 doses

The correct answer is: 2 doses

This is because the CDC recommends 2 doses of the HPV-9 vaccine for individuals who start the series before the age of 15. This has been shown to be just as effective as receiving 3 doses. Starting the series before age 15 also allows for stronger and longer-lasting protection against HPV. Therefore, options A, C, and D are incorrect as they either require a different number of doses or pertain to a different age range.